Permutations and Combinations

JEE Main 2018 · 15 Apr, Morning shift · Q4844

MathematicsMedium98×since 2002Q4844

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digit numbers are formed using only three digits 2, 5 and 7. The smallest value of n for which 900 such distinct numbers can be formed, is :

JEE Main 2018 · 15 Apr, Morning shift · Q4844

MathematicsMedium98×since 2002Q4844

-

digit numbers are formed using only three digits 2, 5 and 7. The smallest value of n for which 900 such distinct numbers can be formed, is :

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